--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/skins/AknSkins/inc/AknsContainerDataContext.h Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,101 @@
+/*
+* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Defines an internal concrete class CAknsContainerDataContext
+* which implements a data context suitable for containers.
+*
+*/
+
+
+#ifndef AKNSCONTAINERDATACONTEXT_H
+#define AKNSCONTAINERDATACONTEXT_H
+
+// INCLUDES
+#include <AknsDataContext.h>
+
+// CLASS DECLARATION
+
+/**
+* Concrete data context suitable for containers.
+* Implements data context that passes item reservation requests to root
+* data context and releases all items reserved when lifetime of the context
+* ends. Release requests are ignored.
+* AknsUtils::CreateDataContextForContainerL() creates contexts of this type.
+*
+* This is an internal class that contains no exported functions.
+* The class is not intended for derivation outside the library.
+*
+* @since 2.0
+*
+* @internal
+*/
+NONSHARABLE_CLASS(CAknsContainerDataContext) : public CBase, public MAknsDataContext
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ * @par Exceptions:
+ * If construction fails, leaves with an error code.
+ *
+ * @internal
+ */
+ static CAknsContainerDataContext* NewL();
+
+ /**
+ * Destructor.
+ * Releases all the items reserved using this context.
+ *
+ * @internal
+ */
+ virtual ~CAknsContainerDataContext();
+
+ public: // Functions from MAknsDataContext
+
+ /**
+ * @copydoc MAknsDataContext::ReserveItemL()
+ *
+ * CAknsContainerDataContext implementation forwards request to the
+ * root data context of application skin item.
+ */
+ void ReserveItemL( const TAknsItemID& aID );
+
+ /**
+ * @copydoc MAknsDataContext::ReleaseItem()
+ *
+ * CAknsContainerDataContext ignores release requests. Items are
+ * released by destructor when the lifetime of the context ends.
+ */
+ void ReleaseItem( const TAknsItemID& aID );
+
+ private: // Private constructors
+
+ /**
+ * C++ default constructor.
+ *
+ * @internal
+ */
+ CAknsContainerDataContext();
+
+ private: // Data
+
+ /**
+ * Array for storing IDs of reserved items.
+ */
+ RAknsItemIDArray iIDArray;
+
+ };
+
+#endif // AKNSCONTAINERDATACONTEXT_H
+
+// End of File